Release missed versions 0.4 and 0.5, add pre-0.6 changelog.
Release missed versions 0.4 and 0.5, add pre-0.6 changelog.

cvd/chaplin,cvd/chaplin,Everlane/chaplin,mrb/chaplin,EverFi/chaplin,mrb/chaplin,Everlane/chaplin,EverFi/chaplin,akre54/chaplin